/Investor DB

305 Ventures

Venture capital

Miami · Pre-Seed–Seed · 2 people tracked

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Investment thesis

305 Ventures backs companies at the earliest 0-to-1 stage, focusing on pre-seed and seed rounds. The firm invests globally and is operated by founders. It leverages a proprietary community and AI to identify and help build what it describes as the next cohort of $10B companies, and it runs a co-invest network for its community.

Source: firm website, verified Aug 27, 2026.

Stage
Pre-Seed–Seed
HQ
Miami, CA, US
Leads rounds
Follows
Instruments
Equity
Founded
2021
Tracked investments
31
Acquisitions
1

Team · 2 people

from public directories
Mo Mostashari· Investorin𝕏

Founder mafia

3 people who came through 305 Ventures went on to found or lead other companies.

What they invest in

from 24 of 31 portfolio companies

Fintech ×10AI & Machine Learning ×8Consumer ×8SaaS ×7Enterprise Software ×6Gaming ×4Media & Entertainment ×4Sports Tech ×4

HQs:United States×12Canada×1Switzerland×1Denmark×1Israel×1Nigeria×1

Investments · 31 tracked

founders shown can be your intro path

By year:2025 · 12024 · 22023 · 22022 · 62021 · 314 dated

Agaveuseagave.cominSeed

Agave provides AI-powered accounting software for construction contractors to automate financial workflows and job costing.

AI & Machine LearningConstruction TechEnterprise SoftwarePropTechSaaSSan Francisco, US

Tom Reno(Co-founder)inPooria Azimi(Founder)inJohn Zucchi(Founder)in

Co-investorsAccelTakeoff CapitalY CombinatorArchangel VenturesCoyote VenturesEquipmentShare+3 more

Aisleaisle.coJul 2024 · $14M

Aisle operates a dating app that positions itself toward intentional, serious relationships rather than casual matching, and features user success stories from couples who met through the service.

ConsumerSocial

Co-investorsCallapina CapitalTitan CapitalQuiet CapitalShrug CapitalUpHonest Capital

Aquainvestwithaqua.comin𝕏Seed

Aqua provides a platform that automates the management of alternative investment assets for investors.

FintechNew York City, US

Rohan Marwaha(Founder)inDev Patel(Founder)in

Co-investorsAlumni VenturesSoma CapitalY CombinatorArthur VenturesCrystal Towers CapitalGlobal Founders Capital+5 more

Betrbetr.app𝕏Series A · Jun 2023 · $35M

Betr is a real money gaming mobile app offering player-stat pick games, a social sportsbook, a social casino, and skill-based arcade games where users can win cash prizes.

ConsumerGamingSports TechMiami, US

Jake Paul(Executive Officer, Director)Joey Levy(Founder)inRoss Kestin(Director)Nakisa Bidarian(Director)Saxon Baum(Director)Geoffrey Woo(Director)

Co-investorsAliya Capital PartnersAntiBeaconsfield CapitalElizabeth Street VenturesFJ LabsFlorida Funders+12 more

Bettybetty.caFeb 2023 · $5M

Betty is a real-money online casino operator combining iCasino gaming with casual mobile game mechanics for Canadian players.

Co-investors359 CapitalCourtside VenturesVelo PartnersGaingelsKarlani CapitalOCA Ventures+1 more

Boomerangthanksboomerang.com

Boomerang is a Miami-based lost-and-found platform that uses AI to help businesses identify and return items to customers.

Skyler Logsdon(Founder)in

Co-investorsEverywhere VenturesEvolution VenturesLightShed VenturesMonta Vista CapitalSeventySix CapitalUnanimous Capital+3 more

Dfinitydfinity.orgin𝕏

DFINITY builds the Internet Computer, a decentralized cloud network that enables applications to run directly on the blockchain with persistent state, native HTTP serving, and built-in security without requiring external databases or a dedicated operations team.

AI & Machine LearningCloud ComputingCrypto & Web3Developer Tools

Dominic Williams(Founder)in

Co-investorsa16z cryptoAcrew CapitalAmino CapitalAndreessen HorowitzAspect VenturesBollinger Investment Group+27 more

FairMoneyfairmoney.ngin𝕏Jul 2021

FairMoney is a digital bank offering personal loans, savings products, and business banking services through a mobile app.

ConsumerFintech

Co-investorsAruwa CapitalNewfund CapitalSpeedinvestTLcom Capital75 & SunnyAddition+25 more

Fieldlyfieldly.comin𝕏Jul 2024 · $14M

Fieldly is a digital project management tool designed for the construction and installation sectors, helping companies streamline administrative workflows from quoting to invoicing and reduce paperwork.

Construction TechPropTechSaaS

Co-investorsLU InnovationQuiet CapitalShrug CapitalUpHonest Capital

Finntfinnt.cominSeedDefunct

Finnt builds AI agents that execute accounting and controllership tasks for finance teams, generating journal entries and financial statements with audit documentation in minutes.

AI & Machine LearningEnterprise SoftwareFintech

Anji Ismail(Founder)inFaouzi EL YAGOUBI(Founder)in

Co-investorsDiaspora VenturesIsaiISAI GestionY CombinatorFranklin TempletonGoodwater Capital+10 more

Flexwithflex.comin𝕏

Flex provides telehealth consultations with licensed clinicians to determine eligibility for HSA/FSA-qualified health products and services for customers with various medical conditions.

Digital HealthFintechHealthtechMarketplaces

Sam O'Keefe(Founder)inMiguel Toledo(Founder)in

Co-investorsCameron VenturesCore Venture CapitalFirst Round CapitalHarvest Venture PartnersRethink ImpactSterling Road+12 more

Flexbase Technologiesflex.onein𝕏

Flex provides flexible credit and financing solutions to business owners using AI technology.

AI & Machine LearningEnterprise SoftwareFintechSaaSSan Francisco, US

Zaidur Rahman(Executive Officer, Director)Zaid Rahman(Founder)in

BoardSaxon Baum(Director)in

Co-investors53 StationsBeyond CapitalCarnrite VenturesChapter OneCompanyon VenturesFJ Labs+20 more

Homeofplaymakershomeofplaymakers.com𝕏

Playmakers produces and distributes sports podcasts hosted by athletes and sports personalities, such as Shaquille O'Neal's The Big Podcast, Shannon Sharpe's Nightcap, and the Roommates Show.

Media & EntertainmentSports Tech

Keepkeephq.devin𝕏Acquired

Keep provides AI-powered AIOps solutions to help teams navigate observability data.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSTel Aviv-Yafo, IL

Tal Borenstein(Founder)inShahar Glazner(Founder)inMatvey

Co-investorsRuna CapitalY CombinatorCambrian VenturesData TechFirestreak VenturesFriale+4 more

Keeptrykeep.comin𝕏

Keep provides an all-in-one financial platform for Canadian businesses, offering business cards with higher credit limits, expense automation, global banking services, and growth capital financing.

Enterprise SoftwareFintechSaaSCanada, CA

Oliver Takach(Founder)in

Co-investorsAb Capital Holding BVAngel Collective Opportunity FundAssurant VenturesBase Venture Management, Inc.Brainstorm VenturesCollaborative Fund+4 more

Passespasses.comApr 2022

Passes is a monetization platform for content creators, offering tools such as memberships, paid DMs, 1:1 calls, livestreams, group chats, pay-per-view content, and merch sales.

ConsumerCreator EconomyMedia & EntertainmentSaaSSocialLos Angeles, US

Lucy Guo(Chief Executive Officer)inPatrick Zhang(Chief Technology Officer)in

Co-investorsAbstract VenturesCraft VenturesMichael OvitzParis HiltonAntiFlorida Funders+4 more

Pigeonusepigeon.ioin𝕏SeedDefunct

Pigeon was an app that facilitated loans between friends and family.

FintechMiami, US

Brian Bristol(Founder)inKaben Clauson(Founder)in

Co-investorsY CombinatorAscendo VenturesChicago Early Growth Ventures (CEGV)Cresset CapitalCrossbeam Venture PartnersFox Ventures+10 more

Pigeonpigeonloans.ioMay 2022 · $2.5MDefunct

Pigeon was an app that facilitated loans between friends and family.

Fintech

Co-investorsMPG FundFundersClubPareto Holdings

Playmakergetplaymaker.appin𝕏Defunct

Playmaker operates a community platform for fantasy sports enthusiasts, offering a centralized social hub where players can build their identity, connect with peers, and enhance their engagement while watching live sports.

ConsumerMedia & EntertainmentCopenhagen, DK

Neil Murray(Founder)inHelder Almeida(Founder)in

Co-investorsY CombinatorAntlerFuturistic.VCKearny JacksonMax VenturesTiny Supercomputer Investment Company+1 more

PrizePicksprizepicks.com𝕏

PrizePicks is a daily fantasy sports and prediction platform where users build lineups combining player stat projections with team picks (game winners, spreads, and over/unders) across sports like NBA, WNBA, and MLB.

ConsumerGamingSports Tech

Adam Wexler(Founder)in

Co-investorsAtlanta Technology AngelsPhoenix Capital VenturesRevUp Capital

Raincoatgetraincoat.comJan 2022

Raincoat develops climate insurance solutions that interconnect insurance providers, reinsurers, distributors, and end-users by using real-time environmental data and sophisticated models.

AI & Machine LearningClimate TechInsurTech

Co-investorsAnthemis VentureMundi VenturesOpen Opportunity FundR/GA VenturesDivergent CapitalElefund+2 more

SentiLinksentilink.comin𝕏Jul 2021

SentiLink provides fraud detection and identity verification products and data solutions for financial institutions and businesses.

AI & Machine LearningCybersecurityData & InfrastructureFintechSan Francisco, US

Max(Co-founder)Maxwell Blumenfeld(Executive Officer, Director)inNaftali Harris(Executive Officer, Director)in

Co-investorsAndreessen HorowitzCraft VenturesFelicis VenturesFifth Down CapitalFlexcap VenturesNew York Life Ventures+28 more

TopKeytopkey.ioin𝕏Seed

Topkey is an AI-powered financial operating system designed for property managers that automates bill categorization, receipt processing, and financial reporting across properties to streamline accounting operations.

AI & Machine LearningEnterprise SoftwareFintechPropTechSaaSSan Francisco, US

Jonathan Sukhia(Founder)inBryan Beshore(Founder)in

Co-investorsAndreessen HorowitzAssurant VenturesDERIVE VENTURESFelicis VenturesY CombinatorBHRL Holdings LLC+3 more

Underdogunderdogfantasy.comin𝕏Jan 2025

Underdog Fantasy offers a sports predictions and betting product where users make picks on team outcomes, spreads, totals, moneylines, and parlays for entry amounts from $1 to $2,000.

ConsumerGamingSports TechBrooklyn, US

Jeremy Levine(Founder & CEO)inJena Pollock(Executive Officer)inBrandon Alan Stakenborg(Executive Officer, Director)

Co-investorsAcies InvestmentsBackwards CapitalDarco CapitalMantis CapitalNight CapitalPROOF+5 more

Voldexvoldex.comin𝕏Jan 2022

Voldex creates and publishes games on Roblox, focused on building engaging experiences for millions of players worldwide.

GamingMedia & EntertainmentGrand Cayman

Alex Singer(Founder)Alex S.(Founder)in

BoardJames Gwertzman(Director)Helene Bussieres(Director)David Brillembourg(Director)in

Co-investorsAndreessen HorowitzLalotte VenturesMakers FundTIRTA VenturesDune VenturesShamrock Capital

Wgetw.com

W is a personal care brand that sells antiperspirant, body wash, and body spray products formulated without parabens, sulfates, phthalates, or artificial colors.

ConsumerDirect to ConsumerE-commerce

Jake Paul(Founder)in

Co-investorsAntiPalm Tree Crew Investments

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Friendly AppsUltimate OddsW Labs Inc.

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has 305 Ventures made?
305 Ventures has 31 tracked investments, 1 of which have exited, including 1 dated in the last 24 months.
What stage does 305 Ventures invest at?
305 Ventures invests at the Pre-Seed, Seed stages.
What sectors does 305 Ventures focus on?
305 Ventures focuses on Consumer, Crypto & Web3, Direct to Consumer, Fintech, Gaming, Media & Entertainment, Sports Tech.
Where is 305 Ventures located?
305 Ventures is headquartered in Miami, US.
Does 305 Ventures lead rounds?
305 Ventures typically participates in rounds rather than leading them.
Who does 305 Ventures co-invest with?
305 Ventures most often shares deals with Anti, Evolution Ventures, Florida Funders, among 46 tracked co-investors.

Co-investors · 58

Andreessen Horowitz

Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, known for pioneering the platform model with a large team of operators supporting founders across stages.

$500K – $50M
Sequoia Capital

Sequoia Capital is a venture capital firm that partners with founders to build technology companies.

$100K – $50M
Craft Ventures

Craft Ventures is a venture capital firm run by a team of former founders, operators, and investors who partner closely with founders to help build and scale technology companies.

$50K – $50M
Anti

Anti Fund is an early-stage-to-growth venture firm that backs technical, anti-consensus founders and pairs technical judgment with distribution and attention to help companies define new market categories.

Both backed · 3
$250K – $30M
Bond Capital Management

Bond is a venture capital fund spun out from Kleiner Perkins that combines Mary Meeker's famous multi-hundred-page "Trends" reports with late-stage investing, positioning itself as both a macro research house and capital provider for category-defining Internet and software businesses. The fund operates with a small, senior-heavy partnership that blends operators and growth investors, focusing on companies that have already proven product-market fit and helping them architect global expansion and IPO readiness.

Both backed · 2
$100K – $25M
Paradigm

Paradigm is a frontier technology investment firm that builds and invests in early-stage companies across crypto, AI, robotics, and other emerging technology areas.

Both backed · 2
$1M – $100M
Banana Capital

Banana Capital is Turner Novak's early-stage venture capital firm, run as a one-person operation investing up to $250k as a first or lead investor.

$25K – $250K
Rebel Fund

Rebel Fund is a venture capital firm that invests exclusively in seed-stage startups from Y Combinator, aiming to back the top decile of YC companies using a proprietary machine-learning model.

Both backed · 2
$100K – $5M
Khosla Ventures

Khosla Ventures is a venture capital firm that backs bold, early-stage, technology-driven companies across deep tech and other sectors, providing hands-on 'venture assistance' to help founders build category-defining businesses.

Both backed · 1
$100K – $20M
Great Oaks Venture Capital

Great Oaks Venture Capital is a New York-based seed and early-stage investor that backs founders building enduring businesses across the United States.

Both backed · 1
$50K – $500K
RRE Ventures

RRE Ventures is a boutique early-stage venture capital firm that backs founders across sectors, combining decades of experience with AI-driven analysis throughout the investment lifecycle.

Both backed · 1
$5M – $15M
Addition

Addition is a venture capital firm that invests in early and growth-stage tech companies.

Both backed · 1
▶46 more co-investors

75 & SunnyUtopian VenturesPlayground Global9Yards CapitalAltimeter CapitalSmash CapitalPortal VenturesFuel Venture CapitalFounders FundFoundation CapitalKrakenUnion Square Ventures (USV)Streamlined VenturesMayfield FundBling CapitalOak HC/FTAfore CapitalIA Ventures8VCOperator LPBlockchain CapitalWingEntrepreneur FirstCausalBetter Tomorrow VenturesDreamers VCAmerican Express Ventures (Amex)Ff Venture CapitalAccelerator VenturesEXPONENT FOUNDERS CAPITALHousePredictive VCHC9 VenturesPlayfair Capital10x GenomicsPrime Movers LabActivant CapitalArboretum VenturesIGNIAExceptional VenturesFour Rivers GroupFox Corporation1435 CapitalInterplay Ventures Early Stage Management LlcC3 VenturesValhalla Capital

Firms observed investing alongside 305 Ventures, from public investor directories. Shared companies are the overlap with 305 Ventures's recorded portfolio.

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